Reidite and Shock-twinned Zircon Found in Rock Elm Impact Structure (Wisconsin)

Reidite and Shock-twinned Zircon Found in Rock Elm Impact Structure (Wisconsin)

Rare mineral found in a Wisconsin crater
by Aaron L. Gronstal, Astrobiology Magazine
http://phys.org/news/2015-01-rare-mineral-wisconsin-crater.html

Rare Mineral Discovered in Ancient Meteorite
Impact Crater, Live Science, Nov 3, 2014
http://www.livescience.com/48584-reidite-discovered-rock-elm-wisconsin.html

Wisconsin town took a big hit - and rare
mineral proves it by Andy Rathbun
TwinCitiescom, Pioneer Press, Nov 24, 2014
http://www.twincities.com/localnews/ci_26987773/wisconsin-town-took-big-hit-and-rare-mineral

Cavosie, A.J, T. M> Erickson, and N. E. Timms,
2014, Reidite and shock-twinned zircon in polymict
breccia from the Ordovician Rock Elm impact
structure, USA. Geological Society of America
Annual Meeting Abstracts with Programs, vol. 46, no. 6
https://gsa.confex.com/gsa/2014AM/webprogramschedule/Paper244685.html

Yours,

Paul H.